Experimental Research of Selected Lattice Structures Developed with 3D Printing Technology

被引：15

作者：

Bogusz, Pawel ^{[1
]}

Poplawski, Arkadiusz ^{[1
]}

Stankiewicz, Michal ^{[1
]}

Kowalski, Bartlomiej ^{[1
]}

机构：

[1] Mil Univ Technol, Fac Mech Engn, PL-00908 Warsaw, Poland

来源：

MATERIALS | 2022年 / 15卷 / 01期

关键词：

3D topologies; lattice structures; 3D printing; additive manufacturing technique; experimental research; energy absorbing test; compression curves; CELLULAR STRUCTURES; MULTISCALE ANALYSIS; BEHAVIOR; STIFFNESS; RATIO;

D O I：

10.3390/ma15010378

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper presents the results of the experimental research of 3D structures developed with an SLA additive technique using Durable Resin V2. The aim of this paper is to evaluate and compare the compression curves, deformation process and energy-absorption parameters of the topologies with different characteristics. The structures were subjected to a quasi-static axial compression test. Five different topologies of lattice structures were studied and compared. In the initial stage of the research, the geometric accuracy of the printed structures was analysed through measurement of the diameter of the beam elements at several selected locations. Compression curves and the stress history at the minimum cross-section of each topology were determined. Energy absorption parameters, including absorbed energy (AE) and specific absorbed energy (SAE), were calculated from the compression curves. Based on the analysis of the photographic material, the failure mode was analysed, and the efficiency of the topologies was compared.

引用

页数：18

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